<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<div class="box">
	  		<input class="active" type="button" value="按钮一"/>
		    <input type="button" value="按钮二"/>
		    <input type="button" value="按钮三"/>
	      <ul class="ul">
	      	<li class="show">内容一</li>
	      	<li>内容二</li>
	      	<li>内容三</li>
	      </ul>
	  	</div>
	</body>
	<script src="bundle.js"></script>
</html>
